#! python
class Atom( object ):

# this is the constructor; please list all object's members here
    def __init__(self, charge=0, mass=0):
        pass

    def __str__(self):
        pass

    def set( self, anum, aseg, resnum, resname, atype, atypeid, charge, mass ):
        self.num = anum
        self.seg = aseg
        self.res = resnum
        self.rna = resname
        self.typ = atype
        self.tid = atypeid
        self.cha = charge
        self.mas = mass

    def number( self ):
        return( self.num )

    def mass( self ):
        return( self.mas )

    def resname( self ):
        return( self.rna )
        
